Image processing apparatus, storage medium for storing control program, and controlling method for image processing apparatus

Abstract

According to one embodiment, image processing apparatus includes, sensor configured to acquire first brightness data, receiver configured to receive second brightness data, correction coefficient calculator configured to calculate correction coefficient based on first brightness data and second brightness data, parameter calculator configured to calculate parameter based on first brightness data and correction coefficient, controller configured to control brightness controlling signal according to brightness value corresponding to parameter, and output module configured to output brightness controlling signal.

What is claimed is: 
     
         1 . An image processing apparatus outputting a brightness controlling signal with which a brightness of a display device is controlled, the image processing apparatus comprising:
 a sensor configured to acquire first brightness data;   a receiver configured to receive second brightness data;   a correction coefficient calculator configured to calculate a correction coefficient based on the first brightness data and the second brightness data;   a parameter calculator configured to calculate a parameter based on the first brightness data and the correction coefficient;   a controller configured to control a brightness controlling signal according to a brightness value corresponding to the parameter; and   an output module configured to output the brightness controlling signal.   
     
     
         2 . The image processing apparatus of  claim 1 ,
 wherein the sensor acquires the first brightness data according to light received in a same direction as the display panel of the display device, and   the receiver acquires the second brightness data calculated according to light received in a direction opposite to the display panel of the display device.   
     
     
         3 . The image processing apparatus of  claim 2 ,
 wherein the correction coefficient calculator calculates the correction coefficient based on a ratio between the first brightness data and the second brightness data, and   the parameter calculator multiplies the first brightness data and the correction coefficient, and calculates the parameter.   
     
     
         4 . The image processing apparatus of  claim 1  further comprising:
 a memory storing the correction coefficient, and 
 wherein when the second brightness data are not received by the receiver, the parameter calculator calculates the parameter based on the correction coefficient stored in the memory and the first brightness data. 
 
     
     
         5 . The image processing apparatus of  claim 1 , wherein the controller receives the video signal for displaying a video on the display panel of the display device, and controls the brightness controlling signal and the video signal, according to the brightness value corresponding to the parameter. 
     
     
         6 . The image processing apparatus of  claim 2 , wherein the receiver acquires the second brightness data calculated from an image in a region not including the display panel in a taken image in a range including the display panel of the display device. 
     
     
         7 . A non-transitory computer readable medium having stored thereon a control program which is executable by a remote operation apparatus,
 the remote operation apparatus comprising:   a communication module configured to communicate with an image processing apparatus outputting a brightness controlling signal with which a brightness of a display device is controlled; and   an image acquire module configured to acquire an image,   wherein the control program causes the remote operation apparatus to operate as:   a region extraction module configured to extract a region not including a display panel of the display device, from the image acquired by the image acquire module;   a brightness data calculator configured to calculate brightness data from the image in the extracted region; and   a controller configured to perform control so as to transmit the brightness data to the image processing apparatus using the communication module.   
     
     
         8 . A controlling method for an image processing apparatus for outputting a brightness controlling signal for controlling a brightness of a display device, after acquiring first brightness data and second brightness data, the controlling method comprising:
 calculating a correction coefficient based on the first brightness data and the second brightness data;   calculating a parameter based on the first brightness data and the correction coefficient;   controlling a brightness controlling signal according to a brightness value corresponding to the parameter; and   outputting the brightness controlling signal.